/**
 * Created by baishuai on 2017/12/11.
 */
/**
 * jQuery Roundabout Shapes v2
 * http://fredhq.com/projects/roundabout-shapes/
 *
 * Provides additional paths along which items can move for the
 * jQuery Roundabout plugin (v1.0+).
 *
 * Terms of Use // jQuery Roundabout Shapes
 *
 * Open source under the BSD license
 *
 * Copyright (c) 2009-2011, Fred LeBlanc
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   - Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *   - Neither the name of the author nor the names of its contributors
 *     may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
jQuery.extend(jQuery.roundaboutShapes,
    {
        theJuggler: function(r, a, t) {
            return {
                x: Math.sin(r + a),
                y: Math.tan(Math.exp(Math.log(r)) + a) / (t - 1),
                z: (Math.cos(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        figure8: function(r, a, t) {
            return {
                x: Math.sin(r * 2 + a),
                y: (Math.sin(r + Math.PI/2 + a) / 8) * t,
                z: (Math.cos(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        waterWheel: function(r, a, t) {
            return {
                x: (Math.sin(r + Math.PI/2 + a) / 8) * t,
                y: Math.sin(r + a) / (Math.PI/2),
                z: (Math.cos(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        square: function(r, a, t) {
            var sq_x, sq_y, sq_z;

            if (r <= Math.PI/2) {
                sq_x = (2/Math.PI) * r;
                sq_y = -(2/Math.PI) * r + 1;
                sq_z = -(1/Math.PI) * r + 1;
            } else if (r > Math.PI/2 && r <= Math.PI) {
                sq_x = -(2/Math.PI) * r + 2;
                sq_y = -(2/Math.PI) * r + 1;
                sq_z = -(1/Math.PI) * r + 1;
            } else if (r > Math.PI && r <= (3 * Math.PI) / 2) {
                sq_x = -(2/Math.PI) * r + 2;
                sq_y = (2/Math.PI) * r - 3;
                sq_z = (1/Math.PI) * r - 1;
            } else {
                sq_x = (2/Math.PI) * r - 4;
                sq_y = (2/Math.PI) * r - 3;
                sq_z = (1/Math.PI) * r - 1;
            }

            return {
                x: sq_x,
                y: sq_y * t,
                z: sq_z,
                scale: sq_z
            };
        },
        conveyorBeltLeft: function(r, a, t) {
            return {
                x: -Math.cos(r + a),
                y: (Math.cos(r + 3*Math.PI/2 + a) / 8) * t,
                z: (Math.sin(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        conveyorBeltRight: function(r, a, t) {
            return {
                x: Math.cos(r + a),
                y: (Math.cos(r + 3*Math.PI/2 + a) / 8) * t,
                z: (Math.sin(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        goodbyeCruelWorld: function(r, a, t) {
            return {
                x: Math.sin(r + a),
                y: (Math.tan(r + 3*Math.PI/2 + a) / 8) * (t + 0.5),
                z: (Math.sin(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        diagonalRingLeft: function(r, a, t) {
            return {
                x: Math.sin(r + a),
                y: -Math.cos(r + Math.tan(Math.cos(a))) / (t + 1.5),
                z: (Math.cos(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        diagonalRingRight: function(r, a, t) {
            return {
                x: Math.sin(r + a),
                y: Math.cos(r + Math.tan(Math.cos(a))) / (t + 1.5),
                z: (Math.cos(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        rollerCoaster: function(r, a, t) {
            return {
                x: Math.sin(r + a),
                y: Math.sin((2 + t) * r),
                z: (Math.cos(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        tearDrop: function(r, a, t) {
            return {
                x: Math.sin(r + a),
                y: -Math.sin(r/2 + t) + 0.35,
                z: (Math.cos(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        tickingClock: function(r, a, t) {
            return {
                x: Math.cos(r + a - Math.PI/2),
                y: Math.sin(r + a - Math.PI/2),
                z: Math.cos(r),
                scale: Math.cos(r) + 0.5
            }
        },
        flurry: function(r, a, t) {
            return {
                x: Math.sin(r * 3 + a),
                y: (Math.cos(r + Math.PI/2 + a) / 2) * t,
                z: (Math.cos(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        nowSlide: function(r, a, t) {
            return {
                x: Math.tan(r * 2 + a) * 0.5,
                y: Math.cos(r*2 + t) / 6,
                z: (Math.cos(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        },
        risingEssence: function(r, a, t) {
            return {
                x: Math.sin(r + a),
                y: Math.tan((2 + t) * r),
                z: (Math.cos(r + a) + 1) / 2,
                scale: (Math.sin(r + Math.PI/2 + a) / 2) + 0.5
            };
        }
    });